16b2−81=016b^2-81=016b2−81=0
m2−2m2+1m^2-2m^2+1m2−2m2+1
limx→0(2x2ex)\lim_{x\to0}\left(\frac{2x^2}{e^x}\right)x→0lim(ex2x2)
(8x + 3) (7x − 10)\:\left(8x\:+\:3\right)\:\left(7x\:-\:10\right)(8x+3)(7x−10)
(x+1)(x2+1x+1)\left(x+1\right)\left(x^2+1x+1\right)(x+1)(x2+1x+1)
−441n10+1-441n^{10}+1−441n10+1
yb ⋅yb y^{b\:}\cdot y^{b\:}yb⋅yb
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